MAC problem

[Michael <rottenvx_(_at_)_yahoo_(_dot_)_com>]

Mauro Calderara wrote:

> Hi everyone
>
> I've a simple problem and not yet a proper solution,
maybe someone can 
> give some pointers.
>
> My cable-provider gives me 4 IPs via DHCP, but only
one per MAC. The 
> question is whether it is possible to "fake" MACs on
a NIC.

http://ftp.yz.yamagata-u.ac.jp/pub/GNU/macchanger/
maybe it's portable 
to openbsd.

=====

Hello everybody.

I am facing the problem that Mauro Calderara mentioned
in the quoted email. Here is a brief description of
what I am facing:

I am from Romania, a rather poor country where most
people are still using dialup services, really
expensive and really poor services. Since 6 months I
have adopted the solution of an internet connection
shared on a LAN that has been build arround my
apartment building. This LAN has a gateway that is
connected to a local ISP company for internet
connectivity. The gateway acts as a router for our
LAN, giving internet connectivity to each of the 16
computers connected to my LAN. The LAN owner, the guy
that we pay for the Internet connectivity each month,
the same guy that pays the city ISP each month, has
restrcited internet access to the Internet from the
LAN depending on MAC addresses. 
Up to 2 weeks ago I have been using my WindowsXP box
for most of my tasks but now I wish to build my own
router for my apartment, using OpenBSD 3.6 
I have successfully configured the LAN connection
settings but I was mostly surprised to see that
although the LAN was all infront of my apartment's
router, the LAN router beeing reachable from my
apartment's router, still no Internet connectivity for
the router.
This is because the MAC filtering on the server and
the only solution that I could use my router with the
same IP that I have on the Winbox (building a small
subnet for my apartment that the winbox(es) will use)
is to fake the MAC address on the NIC of the openBSD
router.
This feature is not possible in OpenBSD, still is
possible under any Linux distro and also under
FreeBSD. I have been thinking to head to FreeBSD
because it has this feature but I really wish to stick
with openBSD as I respect it and with to make a
passion out of it.

Please reply with any other questions and/or details
of what I could help with and if you could consider
implementing the MAC changing feature under a future
version of OpenBSD.

Thank you very much for your time.

Yours sincerely,
Rott_En
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